Desk lamp



FIG. 1 is a perspective view of a desk lamp showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view of the desk lamp where the desk lamp is ina configuration of use.

The broken lines in the drawings depict portions of the desk lamp thatform no part of the claimed design.

CLAIM The ornamental design for a desk lamp, as shown and described.